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회전근 개 파열로 인한 수술 후 처치에 관한 국내 연구 동향
이충희,김연희,오민석 大田大學校 附屬 韓方病院 2018 惠和醫學 Vol.27 No.2
Objectives : The purpose of this study is to investigate the latest trend of studies on treatments of postoperative rotator cuff tear patients which are published in Korea. Methods : We investigated the studies on the treatments of postoperative rotator cuff tear patients via searching 6(six) Korean web databases(NSDL, RISS, Korean traditional knowledge portal, OASIS, KISTI, KCI). As a result, 16(sixteen) studies were found. We classified the papers by publication date, published journal, method of study, type of treatment, evaluation scale and referencing research ethics. Results : 16(sixteen) papers were published from 2006 to 2017. The papers were published in The journal of Korean shoulder & elbow society, The journal of korean acupuncture & moxibustion medicine, etc. 5(five) randomized controlled trials, 5(five) non-randomized controlled trials, 4(four) case reports and 2(two) Retrospective report have been found. For types of treatment, 6(six) exercise therapies, 3(three) Korean medicine treatments and 7(seven) other treatments have been found. Main evaluation tools were VAS, ROM , NRS and Muscle strength. Conclusions : In this study, we analyzed the latest trend of studies on treatments of postoperative rotator cuff tear patients. Reviewing the international trends of studies on treatments for postoperative rotator cuff tear are essential for the future studies.
이충희,최우열,김지훈,권영우 대한전자공학회 2008 Journal of semiconductor technology and science Vol.8 No.4
A 77 ㎓ 3-stage low noise amplifier (LNA) employing one co㎜on source and two cascode stages is developed using 0.13 ㎛ CMOS process. To compensate for the low gain which is caused by lossy silicon substrate and parasitic element of CMOS transistor, positive feedback technique using parasitic inductance of bypass capacitor is adopted to cascode stages. The developed LNA shows gain of 7.2 ㏈, S11 of -16.5 ㏈ and S22 of -19.8 ㏈ at 77 ㎓. The return loss bandwidth of LNA is 71.6 to 80.9 ㎓ (12%). The die size is as small as 0.7 ㎜ × 0.8 ㎜ by using bias line as inter-stage matching networks. This LNA shows possibility of 77 ㎓ automotive RADAR system using 0.13 ㎛ CMOS process, which has advantage in cost compared to sub-100 ㎚ CMOS process.